As Seen on TV HUMMER Dual Power 3 Flashlight : All this rugged HUMMER Flashlight ever needs is a quick 30-second shaking and it's ready for up to five full minutes of high power light. This shockproof rubber-guarded waterproof and floatable flashlight is ideal for outdoor use and perfect for every vehicle or home emergency kit. Plus its LED bulb never needs replacing. For prolonged use just shake for an additional 10 seconds every three minutes. HUMMER Dual Power 3 Flashlight As Seen on TV Product.